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A spin-crossover iron( ii ) coordination polymer with the 8-aminoquinoline ligand: synthesis, crystal structure and magnetic properties of [Fe(aqin) 2 (4,4′-bpy)](ClO 4 ) 2 ·2EtOH (aqin = 8-aminoquinoline, 4,4′-bpy = 4,4′-bipyridyl)

Caroline Genre、G.S. Matouzenko、Erwann Jeanneau 等 4 位作者2006-01-01New Journal of Chemistry

We report here on the synthesis and characterisation of a new iron(II) spin-crossover coordination polymer of formula [Fe(aqin)2(4,4′-bpy)](ClO4)2·2EtOH (aqin = 8-amino-quinoline, 4,4′-bpy = 4,4′-bipyridyl), with a linear chain structure. Variable temperature magnetic susceptibility measurements revealed a relatively…

Metal-Organic Frameworks: Synthesis and ApplicationsMetal complexes synthesis and propertiesMagnetism in coordination complexes

Performance of an Intermediate-Temperature Fuel Cell Using a Proton-Conducting Sn[sub 0.9]In[sub 0.1]P[sub 2]O[sub 7] Electrolyte

Pilwon Heo、Hidetaka Shibata、Masahiro Nagao 等 5 位作者2006-01-01Journal of The Electrochemical Society

Performance of a fuel cell using Sn 0.9 In 0.1 P 2 O 7 as the electrolyte was evaluated in the temperature range of 150 – 300 ° C under unhumidified conditions. The IR drop and electrode overpotential of the cell were measured separately by the current interruption method. The dc conductivity values of the electrolyte…

Advancements in Solid Oxide Fuel CellsFuel Cells and Related MaterialsAdvanced battery technologies research

Anisotropic Laminar Piezocomposite Actuator Incorporating Machined PMN–PT Single-crystal Fibers

W. Keats Wilkie、Daniel J. Inman、Justin M. Lloyd 等 4 位作者2006-01-01Journal of Intelligent Material Systems and Structures

The design, fabrication, and testing of a flexible, laminar, anisotropic piezoelectric composite actuator utilizing machined PMN–32%PT single-crystal fibers is presented. The device consists of a layer of rectangular single-crystal piezoelectric fibers in an epoxy matrix, packaged between interdigitated electrode poly…

Ferroelectric and Piezoelectric MaterialsAcoustic Wave Resonator TechnologiesDielectric materials and actuators

Inorganic crown: the host–guest chemistry of a high nuclearity ‘Celtic-ring’ isopolyoxotungstate [H 12 W 36 O 120 ] 12−

De‐Liang Long、Oliver Brücher、Carsten Streb 等 4 位作者2006-01-01Dalton Transactions

A range of complexes based on the high-nuclearity [W36] isopolyoxotungstate cluster, [H12W36O120]12-, with a triangular topology has been isolated by using the organic cation, protonated triethanolamine. In analogy to an 18-crown-6 crown ether with six oxygen donors on a ring, the cluster can form alkali and alkaline…

Metal-Organic Frameworks: Synthesis and ApplicationsPolyoxometalates: Synthesis and ApplicationsNanocluster Synthesis and Applications

Characterisation of the thermally accessible spin triplet state in dimers of the 7? ClCNSSS+? in the solid state

T. Stanley Cameron、A. Decken、R.M. Kowalczyk 等 8 位作者2006-01-01Chemical Communications

[ClCNSSS]2(2+) is the first example of a thiazyl radical dimer where population of a thermally excited spin triplet state has been detected, as is proved by VT-powder and single-crystal EPR spectroscopy.

Magnetism in coordination complexesOrganic and Molecular Conductors ResearchAdvanced NMR Techniques and Applications

Polynuclear cyanoruthenate chromophores based on hexaaza-triphenylene containing up to twelve cyanides: photophysical and structural properties

Juan Manuel Herrera、Michael D. Ward、Harry Adams 等 5 位作者2006-01-01Chemical Communications

The complexes [Ru(CN)4(HAT)]2-, [{Ru(CN)4}2(mu2-HAT)]4- and [{Ru(CN)4}3(mu3-HAT)]6- (HAT = hexaaza-triphenylene) contain four, eight and twelve externally-directed cyanide ligands, respectively; they show strongly solvatochromic and intense MLCT absorptions, and [3]6- forms a high-dimensionality cyanide-bridged coordi…

Metal complexes synthesis and propertiesMagnetism in coordination complexesLanthanide and Transition Metal Complexes

Raman scattering and FT-IR spectroscopic studies on dithienylethene switches—towards non-destructive optical readout

Jaap J. D. de Jong、Wesley R. Browne、Martin Walko 等 8 位作者2006-01-01Organic & Biomolecular Chemistry

The non-destructive readout of photochromic memory materials based on the dithienylethene unit both by IR spectroscopy and Raman scattering is explored. A representative series of C5-substituted thienyl hexahydro- and hexafluoro-cyclopentene based photochromes was investigated to explore the effect and potential usefu…

Photochromic and Fluorescence ChemistryPhotoreceptor and optogenetics researchOrganic Chemistry Cycloaddition Reactions

Effect of reduction–oxidation treatment on the catalytic activity over tin oxide supported platinum catalysts

Toshiaki Matsui、Takeoh Okanishi、Katsuhiko Fujiwara 等 7 位作者2006-01-01Science and Technology of Advanced Materials

In precious metal-oxide catalyst system, the support materials strongly affect the catalytic activity. Especially the term of strong metal–support interaction is well known: Tauster et al. reported that partially reducible oxide such as titanium oxide could modify the chemisorption of H2 and CO [S.J. Tauster, S.C. Fun…

Electrocatalysts for Energy ConversionCatalytic Processes in Materials ScienceCatalysis and Oxidation Reactions

Localized Corrosion Susceptibility of Alloy 22 in Chloride Solutions: Part 2—Effect of Fabrication Processes

D. S. Dunn、Y-M. Pan、Lietai Yang 等 4 位作者2006-01-01CORROSION

The effect of fabrication processes on the localized corrosion susceptibility of Alloy 22 ([UNS N06022] 56Ni-22Cr-13.5Mo-3W-4Fe), a candidate container material for the disposal of high-level nuclear waste in the proposed repository at Yucca Mountain, Nevada, was assessed in chloride-containing solutions at temperatur…

Hydrogen embrittlement and corrosion behaviors in metalsHigh Temperature Alloys and CreepNuclear Materials and Properties

Synthesis of colorless imide hybrid nanocomposites using amine functionalized oligosiloxane nano-building clusters

Tae‐Ho Lee、Jeong Hwan Kim、Byeong‐Soo Bae2006-01-01Journal of Materials Chemistry

Colorless imide hybrid nanocomposites are fabricated using new amine functionalized oligosiloxane nano-building clusters (AONC) and the cross-linking agent 5-(2,5-dioxotetrahydrofuryl)-3-methyl-cyclohexene-1,2-dicarboxylic anhydride (DODCA) or 1,2,3,4-cyclobutanetetracarboxylic dianhydride (CBDA) in order to obtain th…

Polyoxometalates: Synthesis and ApplicationsSynthesis and properties of polymersSilicone and Siloxane Chemistry

Formation of Silver Nanoparticles at the Air−Water Interface Mediated by a Monolayer of Functionalized Hyperbranched Molecules

Beth Rybak、Maryna Ornatska、Kathryn N. Bergman 等 5 位作者2006-01-01Langmuir

Nanofibrillar micellar structures formed by the amphiphilic hyperbranched molecules within a Langmuir monolayer were utilized as matter for silver nanoparticle formation from the ion-containing water subphase. We observed that silver nanoparticles were formed within the multifunctional amphiphilic hyperbranched molecu…

Gold and Silver Nanoparticles Synthesis and ApplicationsPolymer Surface Interaction StudiesDendrimers and Hyperbranched Polymers

Three-dimensional networks of lanthanide 1,2,4-triazolates: 3∞[Yb(Tz) 3 ] and 3∞[Eu 2 (Tz) 5 (TzH) 2 ], the first 4f networks with complete nitrogen coordination

Klaus Müller‐Buschbaum、Yassin Mokaddem2006-01-01Chemical Communications

The solvent-free melt reaction of Eu and Yb with the N-heterocycle 1,2,4-triazole, gives the first three-dimensional networks of the lanthanides with complete nitrogen coordination spheres, further being the first unsubstituted triazolates of the lanthanides and exhibiting different valences.

Metal-Organic Frameworks: Synthesis and ApplicationsMagnetism in coordination complexesLanthanide and Transition Metal Complexes

Novel Chiral Sulphonato‐Salen‐Manganese(III)‐Pillared Hydrotalcite Catalysts for the Asymmetric Epoxidation of Styrenes and Cyclic Alkenes

Samiran Bhattacharjee、James A. Anderson2006-01-01Advanced Synthesis & Catalysis

Abstract A novel chiral sulphonato‐salen‐manganese (III) complex has been prepared and intercalated into a Zn‐Al layered‐double hydroxide (LDH) structure. The resulting catalyst was found to be highly active and enantioselective in the epoxidation of various styrenes and cyclic alkenes when using a combination of piva…

Mesoporous Materials and CatalysisPolyoxometalates: Synthesis and ApplicationsLayered Double Hydroxides Synthesis and Applications

Weak antiferromagnetic coupling for novel linear hexanuclear nickel( ii ) string complexes (Ni 6 12+ ) and partial metal–metal bonds in their one-electron reduction products (Ni 6 11+ )

Chih‐Hsien Chien、Jung-Che Chang、Chen‐Yu Yeh 等 7 位作者2006-01-01Dalton Transactions

The preparation, crystal structures, magnetic properties and electrochemistry of novel linear hexanuclear nickel string complexes (Ni6(12+)) and their corresponding 1-e(-) reduction products (Ni6(11+)) are reported. In these complexes, the hexanickel chain is in a symmetrical arrangement (approximately D(4) symmetry)…

Metal complexes synthesis and propertiesMagnetism in coordination complexesMetal-Catalyzed Oxygenation Mechanisms

Transmission of light through periodic arrays of sub-wavelength slits in metallic hosts

Yong Xie、Armis R. Zakharian、Jerome V. Moloney 等 4 位作者2006-01-01Optics Express

Using Bloch modes to study the extraordinary transmission of light through a periodic array of slits in a metallic host, we discuss the differing roles of surface plasmon polaritons and Wood's anomalies in the observed behavior of such structures. Under certain circumstances, the first few excited modes appear to play…

Plasmonic and Surface Plasmon ResearchPhotonic Crystals and ApplicationsOptical Coatings and Gratings

FTIR spectroscopic and computational studies on hydrogen adsorption on the zeolite Li–FER

Petr Nachtigall、E. Garrone、Gemma Turnes Palomino 等 6 位作者2006-01-01Physical Chemistry Chemical Physics

The interaction, at a low temperature, between molecular hydrogen and the zeolite Li-FER was studied by means of variable temperature infrared spectroscopy and theoretical calculations using a periodic DFT model. The adsorbed dihydrogen molecule becomes infrared active, giving a characteristic IR absorption band (H-H…

Advanced Chemical Physics StudiesHydrogen Storage and MaterialsAmmonia Synthesis and Nitrogen Reduction

The nature, kinetics, and ultimate storage capacity of hydrogen sorption by carbon nanostructures

Yu. S. Nechaev2006-01-01Uspekhi Fizicheskih Nauk

The review covers the present state of studies of the urgent open questions concerning the nature, kinetics, and limit values of hydrogen sorption by carbon nanostructures. These questions are related to the key issues in the problem of building a hydrogen electrical automobile. Considered are the thermodynamic and di…

Carbon Nanotubes in CompositesHydrogen Storage and MaterialsFiber-reinforced polymer composites

Review: Endothelial Cells Cultured on Engineered Vascular Grafts Are Able to Transduce Shear Stress

Philippe Fernandez、Richard Daculsi、Murielle Rémy-Zolghadri 等 5 位作者2006-01-01Tissue Engineering

In vitro endothelialization of small-diameter vascular prostheses confluently lined with cultured autologous endothelial cells (ECs) before clinical implantation improves their patency. Many authors have studied the effects of shear stress on ECs seeded on various substrates showing activation of mitogen-activated pro…

Electrospun Nanofibers in Biomedical ApplicationsSilk-based biomaterials and applicationsTissue Engineering and Regenerative Medicine

Blanking of Low-Carbon Steel

作者信息未提供2006-01-01ASM International eBooks

Abstract This article discusses the production of blanks from low-carbon steel sheet and strip in dies in a mechanical or hydraulic press. It describes the cutting operations that are done by dies in presses to produce blanks. The applications of blanking methods are described with examples. The article reviews the ch…

Advanced machining processes and optimizationMicrostructure and Mechanical Properties of SteelsMetal Alloys Wear and Properties